PHP String String Functions Introduction PHP has a whole set of predefined functions that help you in interacting with strings. Demo <?php $text = ' this is a test '; echo strlen($text); //ww w . jav a2 s .c o
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
wordwrap — 按照一定的字符长度分割字符串 strtolower()函数把所有字符变成小写,strtoupper()函数把所有字符变成大写,ucfirst()函数将所给字符串的第一个字母转换为大写,ucwords()函数将所给字符串的每一个英文单词的第一个字母变成大写。 ucfirst()只处理字符串的首个字符,ucwords()只处理每个单词的首字母(以空格...
The following section contains a list of PHP string functions along with a brief description.PHP String FunctionsHere is a complete list of string functions belonging to the latest PHP 7. These functions are the part of the PHP core so you can use them within your script without any further...
详见PHP echo和PHP echo 和 print的别区。 strlen strlen 函数能失掉一个字符串的长度。上面的示例中,失掉的变量 $a 的长度为 8。 $a = ' abcdef '; echo strlen($a); //8 trim trim 函数的能功是将字符串的边两的空格都去掉。比如上面示例中变量 $a 的值是' abcdef ',字符串边两各有一个空格...
'https://vielhuber.de/wp-admin/options.php', null, 'GET', null, true) // you can also hijack the current browser session if logged in __curl('https://vielhuber.de/wp-admin/options.php', null, 'GET', null, false, false, 60...
Convert two UTF-8 encoded string to a single-byte strings suitable for functions that need the same string length after the conversion.The function simply uses (and updates) a tailored dynamic encoding (in/out map parameter) where non-ascii characters are remapped to the range [128-255] in...
PHP string functions PHP has a large number of useful useful built-in functions that can be used for working with strings. echo strlen("Eagle"); # prints 5 echo strtoupper("Eagle"); # prints EAGLE echo strtolower("Eagle"); # prints eagle ...
```php string htmlspecialchars ( string $string [, int $flags = ENT_COMPAT | ENT_HTML401 [, string $encoding = ini_get(""default_charset"") [, bool $double_encode = true ]]] ) ``` 例如,如果想要在网页中输出<符号,可以使用htmlspecialchars()函数将其转换为<: ...
Other String Functions FunctionReturn TypeDescriptionExampleResult ascii(text) integer ASCII code of the first character of the argument. ascii('x') 120 btrim(string text, trim text) text Remove (trim) the longest string consisting only of characters in trim from the start and end of string ...